| 1956 |
the first high speed gear for a ship turbine |
| 1959 |
the first cement gear |
| 1964 |
the first gear for mining |
| 1965 - 1987 |
development of gears for sugar, chemical and pulp and paper industry |
| 1967 |
the first gear for coal mill (power plant) |
| 1968 |
till now marine gears' development |
| 1991 |
the first planetary gear for coal mill |
| 1992 |
the first planetary gear for mining |
| 2001 |
first large epicyclic gear for cement mills |